Just another 4x4Labs rear bumper build, nothing to see here

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Holy crap, Jose. Beautiful work!

E.
 
They may tap a little but the sides do their job. All resting on the bumper, no body damage
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Um yeah, we're gonna need a video of this.
 
Good idea on the inner gussets on the wings. I have the LX cladding and mine has kissed them a few times.
 
Curious, do you get any movement or vibes or twisting in the bumper at all?

The real test for me is simply to smack the tire with my palm, hard. if anything moves, I don't like it.

Cheers
 
Curious, do you get any movement or vibes or twisting in the bumper at all?

The real test for me is simply to smack the tire with my palm, hard. if anything moves, I don't like it.

Cheers

If the test is to smack the tire then no, no movement. But I can get the whole thing to move if I forcibly push on the tire. And that's a function of the bumper shell flexing where the spindle is, it is only 3/16" steel after all. The carrier itself is rock solid however.
 
If the test is to smack the tire then no, no movement. But I can get the whole thing to move if I forcibly push on the tire. And that's a function of the bumper shell flexing where the spindle is, it is only 3/16" steel after all. The carrier itself is rock solid however.

Did you weld the spindle to the inside bottom of the shell as well? It really shouldn't be flexing the shell by just forcibly pushing on it.
 
If the test is to smack the tire then no, no movement. But I can get the whole thing to move if I forcibly push on the tire. And that's a function of the bumper shell flexing where the spindle is, it is only 3/16" steel after all. The carrier itself is rock solid however.


Right on thanks for the info. I am on a mission to find the perfect rear bumper that gets zero movement or flex. I think I am going to go with a custom built one from CBI. They done a lot of work for me in the past and I know the lead builder well. They will build what I want and do it right and fix anything on their dime. But initial cost is big at nearly $3k!!

Cheers
 
Did you weld the spindle to the inside bottom of the shell as well? It really shouldn't be flexing the shell by just forcibly pushing on it.

Yeah it's welded inside and out. You can visibly see the shell move when you shake it with some force.
 
Yeah it's welded inside and out. You can visibly see the shell move when you shake it with some force.

Thats surprising. My swing out will move back and forth a bit towards the top, but the bottom square tube doesn't move much or flex the shell.

Also, the gusseting on the wings really stiffened them up. Mine moved a bit without the gussets but after I added them, the whole wing felt a ton stronger. I have no doubts that it'll help prevent damage from the wings hitting the quarter panel when hit on trees or rocks.
 
Not sure when it changed but the wings on the Labs bumpers used to be thicker. My 100 series DIY kit from about 5-6 years ago had thicker metal on the wings than the 80 series version that I just got from Labs. It appears the main shell kept the same thickness. I'm sure they did their homework and decided the wings were overkill at 1/4 in. Probably saved a couple bucks too. I never dented a wing on the 100 though, only the main shell a bit. Nice work on your DIY.
 
Jose,, You are the man

My front, rear bumpers and sliders should be here by Friday. Let the fun begin.

What was your reason for putting the spare on the passenger side? Does it block your view when looking over your shoulder? If you could do it over again, would you put it on the drivers side?
 
Jose,, You are the man

My front, rear bumpers and sliders should be here by Friday. Let the fun begin.

What was your reason for putting the spare on the passenger side? Does it block your view when looking over your shoulder? If you could do it over again, would you put it on the drivers side?

With a 37" tire mounted up that high it really doesn't matter where you put, you won't be seeing anything out your window! But I did that to have most of the weight closer to the spindle when fully extended rather than at the far end putting a lot of stress on the corner of the bumper.
 
understood,, but luke is telling me that I can put the spindle on either side,, and why did you decide to mount the tire so hi??

I didn't want a long single swingout on the driver's side because if you have to open it on the side of the road or parallel parked, that huge swingout is going out into traffic. I'd rather have it open towards the shoulder or a sidewalk. I wanted it up high for clearance. I thought it was way too low on my old Huston Fab bumper. It'll get close to hitting when climbing a really steep ledge. So I wanted to avoid that and chose to mount it up high. But this bumper didn't last long. As you've probably seen I'm now running bumperless in an effort to shed weight and gain even more clearance. Here's to hoping I never need a spare tire!

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excellent machine. I just bought a series 80, I would like to know if it is safe to buy online in this 4x4labs or where I recommend, I want to place the two bumpers. Thank you
 
excellent machine. I just bought a series 80, I would like to know if it is safe to buy online in this 4x4labs or where I recommend, I want to place the two bumpers. Thank you

Yes its safe, Luke Porter wont come to your house after you place your order.

Go on 4x4labs and there are instructions, pictures and all the information youll need.
 

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